ReviewGenes2026
Exploring the MicroRNA Landscape in Cardiac Amyloidosis: Molecular Insights and Clinical Applications.
Review in Genes, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
12 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundCardiac amyloidosis (CA) is an increasingly recognized cause of heart failure with preserved ejection fraction, resulting from myocardial deposition of misfolded amyloid fibrils derived predominantly from transthyretin (ATTR wild-type [ATTRwt] or variant [ATTRv]) or immunoglobulin light chains (AL). Despite advances in noninvasive imaging and disease-modifying therapies, delayed diagnosis remains common, and clinically actionable molecular biomarkers for early detection, phenotypic discrimination, and therapeutic monitoring are limited. MicroRNAs (miRNAs), small noncoding regulators of post-transcriptional gene expression, have emerged as key modulators of cardiovascular remodeling and systemic amyloid biology.
methodsWe performed a comprehensive review of experimental, translational, and clinical studies to evaluate the role of miRNAs in transthyretin and light-chain cardiac amyloidosis, incorporating data from myocardial tissue analyses, circulating miRNA profiling, and mechanistic studies in cellular and animal models.
resultsDysregulated miRNA networks contribute to amyloid-induced cardiac injury by modulating mitochondrial energetics, oxidative stress, inflammation, fibrosis, proteostasis, and neurocardiac signaling. Specific miRNAs, including members of the miR-21, miR-29, and miR-30 families, as well as miR-150-5p and miR-339, have been associated with amyloid burden, adverse myocardial remodeling, plasma cell biology, and disease severity. Distinct circulating and tissue miRNA signatures differentiate transthyretin from light-chain cardiac amyloidosis and correlate with functional status, heart failure biomarkers, and clinical outcomes.
conclusionsMiRNAs represent promising diagnostic and prognostic biomarkers in cardiac amyloidosis and offer mechanistic insights into disease pathogenesis. Integration of miRNA profiling with multimodality imaging and emerging RNA-based therapeutics may enable earlier diagnosis and support precision management of amyloid-related heart failure.
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